BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 344 63.8%
2 Japan 91 16.9%
3 United States 56 10.4%
4 Germany 18 3.3%
5 Brazil 15 2.8%
6 France 5 0.9%
7 Hong Kong 2 0.4%
8 Korea, Republic of 2 0.4%
9 Russia 2 0.4%
10 United Kingdom 2 0.4%
11 Poland 1 0.2%
12 Canada 1 0.2%